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Old 04-11-2014, 04:39 PM   #1
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Keystone inverter/converter problem

Found out why my batteries are dying.
I only have 8.5vdc feeding the batteries.
Probably explains the 'flickering' of the 12v lights.

Is the unit worth fixing?

My suspicion is one of the transformer legs is bad.

Any ideas?

Or should I just replace the unit?

Thanks.
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Old 04-11-2014, 05:09 PM   #2
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I would just replace it. They are readily available.
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Old 04-11-2014, 05:12 PM   #3
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That probably depends. If is a 12 volt converter ( like a battery charger ) / power supply not very expensive to replace, then you have all new. Cooling fan, controls, etc. not waiting for the next piece to stop working.
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Old 04-11-2014, 05:42 PM   #4
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Thanks. Sounds like replacement is in order.
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Old 04-12-2014, 08:48 AM   #5
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If you are getting 120V into the converter and NOT 12V out of it, it is bad. Replace it.

You probably have a cheap WFCO unit. I would install a Progressive Dynamics PD4655 unit. Very smart, very nice product.
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Old 04-12-2014, 04:47 PM   #6
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Quote:
Originally Posted by jesilvas View Post
If you are getting 120V into the converter and NOT 12V out of it, it is bad. Replace it.

You probably have a cheap WFCO unit. I would install a Progressive Dynamics PD4655 unit. Very smart, very nice product.
Yes, WFCO in it.
Read that they are junk.

Is there a good site that will tell me what the WF-8930/50 will be replaced by?

I would like to have the same, if not more, circuit breakers and fuses.

Thanks.
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Old 04-12-2014, 05:02 PM   #7
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Found some on YouTube, but am still curious about the size of the unit.
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Old 04-12-2014, 05:08 PM   #8
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Don't know about junk. Mine has been merrily humming along for 9 years now with not one single issue with batteries. And my trailer is plugged in 24/7
But to answer your question, get a Progressive Dynamics with charge wizard built in. Give a PD dealer a call with your current model number and they should be able to get you the correct retrofit replacement.
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Old 04-14-2014, 08:54 AM   #9
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Why do you want more circuit breakers and fuses?

You don't need to replace the power center, just the converter itself.
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Old 04-15-2014, 05:23 PM   #10
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Yes, WFCO in it.
Read that they are junk.

Is there a good site that will tell me what the WF-8930/50 will be replaced by?

I would like to have the same, if not more, circuit breakers and fuses.

Thanks.
The WF8930/50 is not your converter charger it is your power distribution center and there is nothing wrong with it. Behind it you have a stand alone converter/charger that needs replaced. In my rig I get to the back side of my 8930/50 via the pass through storage area.

In this photo I have removed the protective wall covering this area and to the left of that big silver hose you can see a metal box. This is the converter/charger.


Here we are looking right at it and behind it you can see the back side of my 8930/50. On the right is a black cord that is nothing more than a standard AC power cord and it is plugged into a receptacle in the back side of the 8930/50. The fat white and black cables on the left are the DC 12 volt wires. The rest of the mess has nothing to do with this box.





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Old 04-18-2014, 11:26 AM   #11
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Why do you want more circuit breakers and fuses?

You don't need to replace the power center, just the converter itself.
More circuits because I want to add a circuit to the storage pass thru.
All circuits in use on present distribution box.
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Old 04-18-2014, 11:30 AM   #12
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Finally had a chance to open up to see converter.
I have a WFCO 75Amp box.
I will look at the Progressive Dynamics unit.
But the PowerMax looks just as good.
Both are four stage units.
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Old 05-15-2014, 06:57 AM   #13
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I found the post that made me go with a PD9200 series.

Prof's post.

The PD's are the only ones I know of that allow full manual control over the charge stages.

-Jeff
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Old 05-31-2014, 08:08 PM   #14
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Another question.
I am looking at Progressive Dynamics with charge wizard built in.
It is an 80A. The failing one I have is 75A. They do not have a 75A option.
What will it hurt having 5 more charge amps?
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